*{
    padding: 0;
    margin: 0;
}
body{
    margin: 0 auto;
    width:100%;
    min-width: 320px;
    max-width: 1080px;
    background-color:#f2f2f2;
    font-size: 14px;
    font-family:-apple-system , Helvetica, sans-serif;
    color: #666;
    line-height: 1.5;
    min-height: 100%;
    height: 2000px;
}
.head{
    width: 100%;
    height: 44px;
    background-color: #fff;
}
.lh{
    width: 84%;
    height: 44px;
    margin: 0 auto;
    line-height: 44px;
    text-align: center;
    font-size: 17px;
}
.lh1{
    float: left;
    width: 24px;
    height: 24px;
    position: absolute;
    background-image: url('../upload/lg1.png') ;
    background-repeat: no-repeat;
    background-size: 24px;
     margin-top: 10px;
}
footer{
    margin-top: 581.5px;
    width: 100%;
    height: 50px;
    background-color: #fff;
    position: fixed;
    z-index: 16;
}
.f{
    float: left;
    width: 20%;
    height: 100%;
}
.f img{
    width: 100%;
}